Lerner, S. (1991). Earth summit conversations with architects of an ecologically sustainable future. Bookmark.
Chicago-viite (17. p.)Lerner, Steve. Earth Summit Conversations with Architects of an Ecologically Sustainable Future. Bookmark, 1991.
MLA-viite (8. p.)Lerner, Steve. Earth Summit Conversations with Architects of an Ecologically Sustainable Future. Bookmark, 1991.
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